Re: [Qemu-devel] [PATCH] QJSON: Use OBJECT_CHECK

[Luiz Capitulino <lcapitulino@redhat.com>]

On Sat, 25 Apr 2015 12:28:06 -0300
Eduardo Habkost <ehabkost@redhat.com> wrote:

> The QJSON code used casts to (QJSON*) directly, instead of OBJECT_CHECK.
> There were even some functions using object_dynamic_cast() calls
> followed by assert(), which is exactly what OBJECT_CHECK does (by
> calling object_dynamic_cast_assert()).
> 
> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>

Applied to the qmp branch, thanks.

> ---
>  qjson.c | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/qjson.c b/qjson.c
> index 0cda269..e478802 100644
> --- a/qjson.c
> +++ b/qjson.c
> @@ -24,6 +24,8 @@ struct QJSON {
>      bool omit_comma;
>  };
>  
> +#define QJSON(obj) OBJECT_CHECK(QJSON, (obj), TYPE_QJSON)
> +
>  static void json_emit_element(QJSON *json, const char *name)
>  {
>      /* Check whether we need to print a , before an element */
> @@ -87,7 +89,7 @@ const char *qjson_get_str(QJSON *json)
>  
>  QJSON *qjson_new(void)
>  {
> -    QJSON *json = (QJSON *)object_new(TYPE_QJSON);
> +    QJSON *json = QJSON(object_new(TYPE_QJSON));
>      return json;
>  }
>  
> @@ -98,8 +100,7 @@ void qjson_finish(QJSON *json)
>  
>  static void qjson_initfn(Object *obj)
>  {
> -    QJSON *json = (QJSON *)object_dynamic_cast(obj, TYPE_QJSON);
> -    assert(json);
> +    QJSON *json = QJSON(obj);
>  
>      json->str = qstring_from_str("{ ");
>      json->omit_comma = true;
> @@ -107,9 +108,8 @@ static void qjson_initfn(Object *obj)
>  
>  static void qjson_finalizefn(Object *obj)
>  {
> -    QJSON *json = (QJSON *)object_dynamic_cast(obj, TYPE_QJSON);
> +    QJSON *json = QJSON(obj);
>  
> -    assert(json);
>      qobject_decref(QOBJECT(json->str));
>  }
>